Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, huong tran
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trinh toan » tinh toan, thanh toan, trinh han
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
tran van » luan van
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh tran van nhung phuong trinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - hanh tran van nhung phuong trinh toan tap*.